56429307505 has 16 divisors (see below), whose sum is σ = 67931136000. Its totient is φ = 44999664640.

The previous prime is 56429307479. The next prime is 56429307541. The reversal of 56429307505 is 50570392465.

It is not a de Polignac number, because 56429307505 - 2³³ = 47839372913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437776 + ... + 2460814.

It is an arithmetic number, because the mean of its divisors is an integer number (4245696000).

Almost surely, 2^56429307505 is an apocalyptic number.

It is an amenable number.

56429307505 is a deficient number, since it is larger than the sum of its proper divisors (11501828495).

56429307505 is a wasteful number, since it uses less digits than its factorization.

56429307505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24584.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 56429307505 in words is "fifty-six billion, four hundred twenty-nine million, three hundred seven thousand, five hundred five".